West Palm Beach, Fla., March 21, 2019 . The Sikorsky-Boeing SB>1 DEFIANT™ helicopter achieved first flight today at Sikorsky’s West Palm Beach, Fla., site. This revolutionary aircraft,…
West Palm Beach, Fla., March 21, 2019 . The Sikorsky-Boeing SB>1 DEFIANT™ helicopter achieved first flight today at Sikorsky’s West Palm Beach, Fla., site. This revolutionary aircraft,…